./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c862f9fbd969695db1625134466cee856e407b57f937740cfce5c982a0b9c02a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:29,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:29,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:31:29,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:29,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:29,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:29,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:29,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:29,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:29,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:29,700 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:29,702 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:29,702 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:29,704 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:29,705 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:29,706 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:29,706 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:29,707 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:29,707 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:29,708 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:29,709 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:29,709 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:29,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:29,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:29,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:29,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:29,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:29,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:29,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:29,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:29,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:29,717 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:29,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:29,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:29,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:29,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:29,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:29,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:29,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:29,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:29,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:29,722 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:29,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:29,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:29,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:29,724 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:29,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:29,725 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c862f9fbd969695db1625134466cee856e407b57f937740cfce5c982a0b9c02a [2023-11-23 21:31:30,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:30,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:30,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:30,177 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:30,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:30,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/email_spec27_product25.cil.c [2023-11-23 21:31:33,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:33,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:33,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/sv-benchmarks/c/product-lines/email_spec27_product25.cil.c [2023-11-23 21:31:33,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/data/b27cf50f7/bc1354b1a9e442359f13db95b3d45e58/FLAG5763af3d8 [2023-11-23 21:31:33,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/data/b27cf50f7/bc1354b1a9e442359f13db95b3d45e58 [2023-11-23 21:31:33,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:33,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:33,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:33,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:33,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:33,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:33" (1/1) ... [2023-11-23 21:31:33,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e709dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:33, skipping insertion in model container [2023-11-23 21:31:33,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:33" (1/1) ... [2023-11-23 21:31:33,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:34,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/sv-benchmarks/c/product-lines/email_spec27_product25.cil.c[58911,58924] [2023-11-23 21:31:34,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:34,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:34,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2023-11-23 21:31:34,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [418] [2023-11-23 21:31:34,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1490] [2023-11-23 21:31:34,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1588] [2023-11-23 21:31:34,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1989] [2023-11-23 21:31:34,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2006] [2023-11-23 21:31:34,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2235] [2023-11-23 21:31:34,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2267] [2023-11-23 21:31:34,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2633] [2023-11-23 21:31:34,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2642] [2023-11-23 21:31:34,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2933] [2023-11-23 21:31:34,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/sv-benchmarks/c/product-lines/email_spec27_product25.cil.c[58911,58924] [2023-11-23 21:31:34,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:34,872 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:34,880 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:34,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34 WrapperNode [2023-11-23 21:31:34,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:34,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:34,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:34,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:34,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:34,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,009 INFO L138 Inliner]: procedures = 130, calls = 219, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1037 [2023-11-23 21:31:35,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:35,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:35,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:35,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:35,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:35,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:35,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:35,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:35,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (1/1) ... [2023-11-23 21:31:35,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:35,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:35,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-23 21:31:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-23 21:31:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-23 21:31:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-23 21:31:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-11-23 21:31:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-11-23 21:31:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-23 21:31:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-23 21:31:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-23 21:31:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-23 21:31:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-23 21:31:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-23 21:31:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-23 21:31:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-23 21:31:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-23 21:31:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-23 21:31:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-23 21:31:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-23 21:31:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-23 21:31:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-23 21:31:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-23 21:31:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-23 21:31:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-23 21:31:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-23 21:31:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-23 21:31:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-23 21:31:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-23 21:31:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-23 21:31:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-23 21:31:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-23 21:31:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-23 21:31:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-23 21:31:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-23 21:31:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-11-23 21:31:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-11-23 21:31:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-23 21:31:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-23 21:31:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-23 21:31:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-23 21:31:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-23 21:31:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-23 21:31:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-23 21:31:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-23 21:31:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-23 21:31:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-23 21:31:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-23 21:31:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-23 21:31:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:35,509 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:35,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:36,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:37,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:37,541 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:37,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:37 BoogieIcfgContainer [2023-11-23 21:31:37,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:37,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:37,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:37,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:37,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:33" (1/3) ... [2023-11-23 21:31:37,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d090e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:37, skipping insertion in model container [2023-11-23 21:31:37,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:34" (2/3) ... [2023-11-23 21:31:37,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d090e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:37, skipping insertion in model container [2023-11-23 21:31:37,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:37" (3/3) ... [2023-11-23 21:31:37,559 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product25.cil.c [2023-11-23 21:31:37,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:37,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:31:37,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:37,669 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d8f5cfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:37,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:31:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 110 states have (on average 1.309090909090909) internal successors, (144), 113 states have internal predecessors, (144), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:31:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:31:37,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:37,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:37,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:37,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash 81212576, now seen corresponding path program 1 times [2023-11-23 21:31:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:37,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159500471] [2023-11-23 21:31:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:38,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:31:38,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159500471] [2023-11-23 21:31:38,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159500471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:38,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:38,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:31:38,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756059670] [2023-11-23 21:31:38,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:38,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:31:38,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:31:38,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:31:38,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:38,210 INFO L87 Difference]: Start difference. First operand has 193 states, 110 states have (on average 1.309090909090909) internal successors, (144), 113 states have internal predecessors, (144), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:38,406 INFO L93 Difference]: Finished difference Result 294 states and 391 transitions. [2023-11-23 21:31:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:31:38,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 75 [2023-11-23 21:31:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:38,428 INFO L225 Difference]: With dead ends: 294 [2023-11-23 21:31:38,429 INFO L226 Difference]: Without dead ends: 190 [2023-11-23 21:31:38,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:38,448 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:38,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-23 21:31:38,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2023-11-23 21:31:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 108 states have (on average 1.2777777777777777) internal successors, (138), 110 states have internal predecessors, (138), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-23 21:31:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 253 transitions. [2023-11-23 21:31:38,509 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 253 transitions. Word has length 75 [2023-11-23 21:31:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:38,511 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 253 transitions. [2023-11-23 21:31:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 253 transitions. [2023-11-23 21:31:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 21:31:38,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:38,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:38,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:31:38,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:38,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash -75271096, now seen corresponding path program 1 times [2023-11-23 21:31:38,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:38,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855650754] [2023-11-23 21:31:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:38,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:38,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:31:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855650754] [2023-11-23 21:31:38,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855650754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:38,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:38,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:31:38,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347019381] [2023-11-23 21:31:38,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:38,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:31:38,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:31:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:31:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:38,917 INFO L87 Difference]: Start difference. First operand 190 states and 253 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:39,109 INFO L93 Difference]: Finished difference Result 290 states and 376 transitions. [2023-11-23 21:31:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:31:39,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2023-11-23 21:31:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:39,119 INFO L225 Difference]: With dead ends: 290 [2023-11-23 21:31:39,119 INFO L226 Difference]: Without dead ends: 192 [2023-11-23 21:31:39,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:39,128 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 0 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:39,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:39,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-23 21:31:39,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2023-11-23 21:31:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 112 states have internal predecessors, (140), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-23 21:31:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 255 transitions. [2023-11-23 21:31:39,164 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 255 transitions. Word has length 76 [2023-11-23 21:31:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:39,165 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 255 transitions. [2023-11-23 21:31:39,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2023-11-23 21:31:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 21:31:39,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:39,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:39,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:31:39,170 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:39,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:39,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1672603953, now seen corresponding path program 1 times [2023-11-23 21:31:39,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:39,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262307620] [2023-11-23 21:31:39,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:39,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:39,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:31:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262307620] [2023-11-23 21:31:39,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262307620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:39,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:39,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:31:39,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385917810] [2023-11-23 21:31:39,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:39,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:31:39,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:31:39,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:31:39,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:39,390 INFO L87 Difference]: Start difference. First operand 192 states and 255 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:39,543 INFO L93 Difference]: Finished difference Result 419 states and 577 transitions. [2023-11-23 21:31:39,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:31:39,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2023-11-23 21:31:39,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:39,548 INFO L225 Difference]: With dead ends: 419 [2023-11-23 21:31:39,548 INFO L226 Difference]: Without dead ends: 245 [2023-11-23 21:31:39,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:39,551 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 59 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:39,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 436 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-23 21:31:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 240. [2023-11-23 21:31:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 144 states have (on average 1.3541666666666667) internal successors, (195), 146 states have internal predecessors, (195), 72 states have call successors, (72), 23 states have call predecessors, (72), 23 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-23 21:31:39,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 338 transitions. [2023-11-23 21:31:39,598 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 338 transitions. Word has length 81 [2023-11-23 21:31:39,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:39,599 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 338 transitions. [2023-11-23 21:31:39,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:31:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 338 transitions. [2023-11-23 21:31:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 21:31:39,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:39,603 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:39,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:31:39,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:39,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:39,605 INFO L85 PathProgramCache]: Analyzing trace with hash 622110864, now seen corresponding path program 1 times [2023-11-23 21:31:39,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:39,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862571002] [2023-11-23 21:31:39,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:39,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:31:39,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862571002] [2023-11-23 21:31:39,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862571002] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:31:39,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318017274] [2023-11-23 21:31:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:31:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:39,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:31:39,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481d8a0a-a49f-4bfd-8346-d55abea8304e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:31:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:40,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:31:40,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:40,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:31:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:31:40,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318017274] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:31:40,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [424553449] [2023-11-23 21:31:40,614 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2023-11-23 21:31:40,614 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:31:40,620 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:31:40,626 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:31:40,627 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:32:28,861 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-11-23 21:32:29,090 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2023-11-23 21:32:29,350 INFO L180 IcfgInterpreter]: Interpretation finished